SelectedValuesListBox - A ListBox that implements more than one SelectedValue (SelectedValues)

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Sandrino.ViewModel
{
    public class MainViewModel
    {
        /// <summary>
        /// Me
        /// </summary>
        public Person Me { get; set; }

        /// <summary>
        /// List of available languages
        /// </summary>
        public List<Language> Languages { get; set; }

        /// <summary>
        /// Constructor
        /// </summary>
        public MainViewModel()
        {
            // Init languages
            InitLanguages();

            // Create person
            Me = new Person("Sandrino");
            Me.LanguageIDs.Add(new Guid("3863d982-f0da-4606-b4bd-efdff1b5cbf1"));
            Me.LanguageIDs.Add(new Guid("c0cba217-9edc-4bf1-9779-0906aae0ee3c"));
            Me.LanguageIDs.Add(new Guid("1ba0f84d-5d96-4400-b979-9a2ef0ec70f8"));
            Me.LanguageIDs.Add(new Guid("26837a61-56c1-469e-9891-bdd654d9c7bf"));
            // Me.LanguageNames.Add("Dutch");
            // Me.LanguageNames.Add("German");
        }

        /// <summary>
        /// Initialize the languages
        /// </summary>
        private void InitLanguages()
        {
            Languages = new List<Language>();
            Languages.Add(new Language() { Name = "Dutch", ID = new Guid("3863d982-f0da-4606-b4bd-efdff1b5cbf1") });
            Languages.Add(new Language() { Name = "English", ID = new Guid("c0cba217-9edc-4bf1-9779-0906aae0ee3c") });
            Languages.Add(new Language() { Name = "German", ID = new Guid("df455e7e-6e2d-44a4-9a5c-ed8638febd3c") });
            Languages.Add(new Language() { Name = "Chinese", ID = new Guid("5F70CBC5-D12D-4792-9B1D-2E72CFB2B12D") });
            Languages.Add(new Language() { Name = "Italian", ID = new Guid("1ba0f84d-5d96-4400-b979-9a2ef0ec70f8") });
            Languages.Add(new Language() { Name = "Spanish", ID = new Guid("818D8921-1134-48ee-9654-3340BD07A254") });
            Languages.Add(new Language() { Name = "French", ID = new Guid("26837a61-56c1-469e-9891-bdd654d9c7bf") });
        }
    }
}